ios - how to cell size increse or resize on the button click? -

i have custom table view contains 2 buttons dynamically in cell row index path ,

i want when click increase size should increased , button should hide , ,

then 1 button resize row height should visible - in advance .

-(cgfloat)tableview:(uitableview *)tableview heightforrowatindexpath:(nsindexpath *)indexpath {        return jcoutcellsize;      }     - (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath {      static nsstring *cellidentifier = @"cell";      uitableviewcell *cell = [tableview dequeuereusablecellwithidentifier:cellidentifier];     if (cell == nil) {         cell = [[uitableviewcell alloc] initwithstyle:uitableviewcellstyledefault reuseidentifier:cellidentifier];  } // ----------------------- cellbackground image-----------------------------         cell.backgroundview =[[uiimageview alloc]initwithframe:cgrectmake(160, 151, 320, 108)];     cell.backgroundview = [[uiimageview alloc] initwithimage: [uiimage imagenamed:@"incellfullbg.png"]];   //***********  change cell background  colour*****       // cell.contentview.backgroundcolor = [uicolor darkgraycolor];        //----------------------------cell buttons-------------------------------------------         if (jcoutcellsize==152)      {     uibutton *addcomment = [uibutton buttonwithtype:uibuttontypecustom]; // custom means transparent takes shape same backgroup image     [addcomment addtarget:self                     action:@selector(testbtns:)          forcontrolevents:uicontroleventtouchdown];     // [addcomment settitle:@"1" forstate:uicontrolstatenormal];     addcomment.frame = cgrectmake(9.0, 128.0, 96.0, 26.0);     [cell.contentview addsubview:addcomment];      uiimage *buttonaddcomment = [uiimage imagenamed:@"addcomment.png"];     [addcomment setbackgroundimage:buttonaddcomment forstate:uicontrolstatenormal];     [cell.contentview addsubview:addcomment];        }       if (jcoutcellsize==152)     {         nslog(@" arrow %f",jcoutcellsize);         uibutton *uparrow = [uibutton buttonwithtype:uibuttontypecustom];         [uparrow addtarget:self                      action:@selector(resizecell:)           forcontrolevents:uicontroleventtouchdown];          //[downarrow settitle:@"arrow" forstate:uicontrolstatenormal];         uparrow.frame = cgrectmake(143.0, 136.0, 26.0, 16.0);         [cell.contentview addsubview:uparrow];          uiimage *buttonup = [uiimage imagenamed:@"uparrow.png"];         [uparrow setbackgroundimage:buttonup forstate:uicontrolstatenormal];         [cell.contentview addsubview:uparrow];            nslog(@" cell size = %f",jcoutcellsize);     }     //----------------------------------------------------------------------------------          if (jcoutcellsize==132)     {         nslog(@" down arrow %f",jcoutcellsize);         uibutton *downarrow = [uibutton buttonwithtype:uibuttontypecustom];         [downarrow addtarget:self                        action:@selector(incresecellhight:)             forcontrolevents:uicontroleventtouchdown];          //[downarrow settitle:@"arrow" forstate:uicontrolstatenormal];         downarrow.frame = cgrectmake(143.0, 116.0, 26.0, 16.0);         [cell.contentview addsubview:downarrow];          uiimage *buttondown = [uiimage imagenamed:@"updownarrow.png"];         [downarrow setbackgroundimage:buttondown forstate:uicontrolstatenormal];         [cell.contentview addsubview:downarrow];          nslog(@" cell size = %f",jcoutcellsize);     }            return cell;     } 

in view didload have done jcoutcellsize=152;

to change row height button click, should following steps: 1. create flag indicate row expanded, example _expandedindexpath

1. implement correct datasource method that:

   -(cgfloat)tableview:(uitableview *)tableview heightforrowatindexpath:(nsindexpath*)indexpath {   if (_expandedindexpath isequal:indexpath) {     return jcbigcellsize; // large cell } else     return jcoutcellsize; // normal cell }   

2. to define on cell button pressed, set tag of button corresponding indexpath.row (in tableview:cellforrowatindexpath:)

3. on button action (incresecellhight:) tag of button, set _expandedindexpath indexpath, want see expanded (most [nsindexpath indexpathforrow:sender.tag insection:0]) , reload corresponding row using uitableview's method reloadrowsatindexpaths:withrowanimation:

this call datasource methods row (tableview:heightforrowatindexpath: , tableview:cellforrowatindexpath:), , cell increase it's height animation, specified in withrowanimation: parameter.